Wireless Contact Closure Relay
The MirCR820 Wireless Contact Closure Relays are a set of two boards, a sender board with contact closure (no voltage) inputs and a receiver board
with relays. The inputs on the sender board will control the relays on the receiver board - it's just that simple! When the contact closure
circuits are closed the relays will remain energized, when the circuits open the relays will turn off! Contact closure inputs such as buttons,
relays, switches or other electronic devices (no voltage) attached to inputs on the sender boards will trigger the relays on the receiver board.